Siarhei Yusupau
@h5069566
Software Developer at Walmart
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Software Engineer
Walmart•  December 2019 - Present
Project: OmniQuest (JavaScript, Typescript, Java, T-SQL) - a mobile app that is built with an aim to gamify the OGP (online grocery pickup) store associate's work. Accomplishments: • Developed back-end part from scratch using JavaScript and Node.js • Setup Azure for DEV, STAGE, and PROD environments • Implemented the login/logout process based on unique tokens • Created and persisting the structure of tables and data with Azure SQL • Sped up the slowest query and API response in 3 times • Improved performance of several critical SQL-queries in 2-5 times • Tuned back-end service and MSSQL performance • Created all unit tests using Jest, Mocha, Chai, and Sinon • Provided training and support for the team members
Education
Belarussian State University of Informatics and Radioelectronics
Information Technology, MS•  June 2006 - June 2013
Belarusian State University of Informatics and Radioelectronics
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